tx 0xec9cffca16498d7b9adb73a418f9b5e4ef75724e44cc71edbb61e6fa4a487c09Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3886339997,
    "order_id": 388375041,
    "new_price": 6420000000
  }
}